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-8=-(n+4)
We move all terms to the left:
-8-(-(n+4))=0
We calculate terms in parentheses: -(-(n+4)), so:We get rid of parentheses
-(n+4)
We get rid of parentheses
-n-4
We add all the numbers together, and all the variables
-1n-4
Back to the equation:
-(-1n-4)
1n+4-8=0
We add all the numbers together, and all the variables
n-4=0
We move all terms containing n to the left, all other terms to the right
n=4
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